2500results about "Steam generation plants" patented technology

The invention provides a power plant steam extraction energy storage and power generation optimization method and system based on fused salt heat storage, and relates to the technical field of electric power. The extracted steam is introduced into a multi-stage tandem type steam-molten salt heat exchanger group; when the load of the power grid is higher than a preset dynamic threshold value, conveying the high-temperature fused salt to the cascade fused salt-water heat exchanger group by adopting a multi-path parallel fused salt conveying system; in the fused salt-water heat exchanger group, a structure of combining countercurrent flow heat exchange and a spiral heat exchange pipe is adopted, so that the heat exchange efficiency is improved, and superheated steam is generated; the generated high-temperature and high-pressure steam is conveyed to the improved steam turbine with the variable air inlet area, the air inlet area is dynamically adjusted according to the power grid load requirement, and the efficiency of the steam turbine is optimized; the intelligent power grid technology and the demand side response strategy are utilized to realize bidirectional interaction between the power generation end and the power utilization end, and power supply and demand are dynamically balanced.

The invention discloses a carbon capture and energy storage and thermal power generation coupled energy comprehensive utilization system, which comprises a thermal power generation system, an energy storage system and a carbon capture system, and is characterized in that a compression energy storage unit of the energy storage system is coupled to a feed water heat regeneration unit of the thermal power generation system; an expansion energy release unit of the energy storage system is coupled to a steam turbine generator set of the thermal power generation system, and a steam-water cycle working medium in the thermal power generation system serves as a heat storage and cold storage medium of the carbon dioxide energy storage system. The carbon capture system is coupled between the thermal power generation system and the carbon dioxide energy storage system, captures carbon dioxide gas in the flue gas, inputs the carbon dioxide gas into the carbon dioxide energy storage system to serve as a circulating working medium, and heats the circulating working medium in the expansion energy release unit through waste heat of the flue gas. According to the scheme, the operation efficiency of the thermal power generation system and the operation efficiency of the carbon dioxide energy storage system can be improved, the overall energy utilization efficiency of the system can be improved, and meanwhile the emission amount of gas pollutants is reduced.

The invention discloses a coal-fired power generation steam and heat pump integrated energy storage system and an operation method thereof. The system comprises a coal-fired unit coupling fused salt energy release system and a reheat steam coupling heat pump energy storage system. In the low ebb of electricity utilization, the coal-fired unit outputs electric energy to drive the heat pump charging compressor to compress a heat pump working medium, then the heat pump working medium heats the fused salt, meanwhile, part of reheat steam of the coal-fired unit sequentially heats the fused salt and a working medium at an outlet of the heat pump charging expansion machine, and the load is further reduced; and finally, redundant electric energy and part of heat energy of the reheated steam are converted into fused salt heat energy to be stored. In the peak period of electricity utilization, a part of exhaust steam of the high-pressure cylinder is heated through heat stored in the fused salt storage tank to generate reheated steam, the heat absorption capacity of main steam entering the boiler is increased under the condition that the coal consumption of the boiler is not changed, the flow of the main steam is also increased, and then the output load of the coal-fired unit is increased. According to the method, the peak regulation potential of the coal-fired unit can be exerted, the output load interval of the unit is expanded, and the method is effective for improving the peak regulation capacity of the coal-fired unit and stabilizing power grid fluctuation.

The invention discloses a steam and fused salt coupled heat storage and release peak shaving system and method. The existing steam sensible heat molten salt heating or pure electric molten salt heating technology has the problems of complex technical process, high construction cost, high implementation difficulty, low system electricity-electricity conversion efficiency and the like. The system comprises a fused salt storage system, a heat storage and exchange system, a heat release and exchange system, boiler equipment and steam turbine equipment, an outlet of the boiler equipment is connected with the steam turbine equipment and the heat storage and exchange system, the fused salt storage system is connected with the heat storage and exchange system and the heat release and exchange system, and the heat release and exchange system is connected with the steam turbine equipment. According to the invention, machine-boiler decoupling and electric heat storage peak regulation of a traditional thermal power plant can be realized. In the heat storage process, latent heat and sensible heat energy of main steam are stored in a fused salt storage system through a heat storage and exchange system, and deep peak regulation and energy storage are achieved; and in the heat release process, heat in the fused salt storage system is released through the heat release heat exchange system, and steam is prepared and supplemented into steam turbine equipment so as to improve the power generation power.

The invention provides a power plant deep peak regulation and power generation optimization method and system based on steam extraction energy storage, and relates to the technical field of power grids, the method comprises the steps that high-temperature and high-pressure steam is generated through a steam turbine, the steam enters a steam extraction system, and the steam extraction system is used for extracting part of steam exhausted by the steam turbine when the load of the power grid is low; the extracted steam is conveyed into the energy storage device to be stored; based on historical power grid load data and real-time load prediction data, dynamic optimization adjustment of generated power is carried out by combining characteristics of a generator set of a power plant, and deep peak regulation operation of the generator set in a low-load operation state is realized by controlling a power generation dispatching control module of the power plant. The output power of each unit is adjusted through an optimization algorithm; when the load of the power grid is low, part of steam of the steam turbine is stored in the energy storage device through the steam extraction system, and when the load of the power grid is peak, the stored steam flows back to the steam turbine again to be reused.

The invention discloses a heat supply unit coupling fused salt heat storage power generation peak regulation system and an operation method.The system comprises a power station boiler, a turboset and a fused salt heat storage peak regulation device, and the fused salt heat storage peak regulation device comprises a low-temperature fused salt storage tank, a high-temperature fused salt storage tank, a fused salt heat storage mechanism and a fused salt heat release mechanism; the fused salt heat storage mechanism heats fused salt in a stepped mode through steam waste heat, flue gas waste heat and electric energy for heat storage, heat obtained after the waste heat is recycled is used for heat supply through steam, and when the system is subjected to load rising and peak shaving, the fused salt heat release mechanism conducts three-stage cooling heat exchange on the high-temperature fused salt for heat release. High-parameter steam generated by high-temperature molten salt cascade heat release is returned to the turboset to do work and generate power, and medium-parameter steam is generated to replace steam extraction and heat supply of the turboset to increase power generation of the turboset. By reasonably designing a multi-stage heat exchange flow process in the fused salt heat storage and release process, cascade efficient utilization of different grades of energy is achieved, and the high efficiency and flexibility of system operation are improved.

The invention discloses an energy storage-heat pump linkage heat, power and cold collaborative peak regulation system and an operation method. The system comprises a combined heat and power generation unit, an evaporator, a condenser, a compressor, wind power and photovoltaic power generation equipment, an electric power controller, a cross-seasonal energy storage chamber and the like. Surplus electric quantity of a power grid is consumed through a heat pump and converted into heat energy and cold energy in a power off-peak period, and part of condensed water of a steam turbine is heated through heat storage in a power peak period to improve the power output of a unit; the unit heats heating return water through heat storage release and steam turbine steam extraction in a cascade mode in winter, electric heating peak regulation is achieved, external cooling and electric cooling peak regulation are achieved through electric cooling conversion and cold energy release in summer, and cross-seasonal energy storage and peak regulation are achieved through electric heating and cold conversion in spring and autumn. Power storage is replaced by cold storage and heat storage, peak regulation is promoted through heat supply and cold supply, and the new energy power consumption level can be greatly improved.

According to the energy storage coupling heat pump steam generation method and system, the mode that the heat pump device and the energy storage device cooperatively operate is adopted, and efficient and economical steam supply is achieved. The method comprises the steps that high-temperature water is prepared and stored in the off-peak electricity period through the heat pump device, and the high-temperature water is further heated through the energy storage device to generate superheated steam for a user to use. The energy storage device comprises a plurality of energy storage modules, and a heat exchange pipeline of the energy storage device can be switched between a parallel connection mode and a series connection mode through switching, so that deep heat release and flexible regulation and control are achieved. According to the method, the energy storage capacity and heat release power of the energy storage module are dynamically adjusted, enthalpy increment distribution of the heat pump and the energy storage device is optimized in combination with load prediction, and diversified steam requirements are met. And meanwhile, preheating or dynamic supplement is conducted on the energy storage module through the heat pump device, waste heat recovery is achieved, and the energy efficiency is improved. According to the method, the operation cost is remarkably reduced, the capacity of the system for adapting to load fluctuation is enhanced, and the method is suitable for industrial steam use scenes and has the advantages of being efficient, stable and flexible.

The invention discloses a two-phase cold plate liquid cooling ORC waste heat recovery and photovoltaic cooperative energy supply system and method, and relates to the technical field of energy management and waste heat utilization. The two-phase cold plate liquid cooling ORC waste heat recovery and photovoltaic cooperative energy supply system and method comprises the following steps that S1, thermal parameters and electric power states related to cooperative energy supply are collected, and a thermoelectric cooperative input data set is constructed and preprocessed; s2, the supply and demand difference of the high-temperature steam in the main condensation branch and the ORC branch is recognized; s3, coordinating a photovoltaic power supply structure and a cooperative energy supply sequence, and judging the matching degree of cooperative energy supply to a load; and S4, evaluating a cooling, heating and power cooperation and double-source coupling state in combination with a load matching condition and an output behavior. The problems that in an existing two-phase cold plate liquid cooling structure, high-temperature steam is not recycled, photovoltaic power generation does not participate in linkage energy supply, the power source is single, waste heat waste is serious, and energy collaboration is insufficient are solved.

The invention discloses a thermal power generating unit operation state detection method and system, and relates to the technical field of operation state detection, and the method comprises the steps: S100, building a working condition variable label; s200, carrying out statistics on correlation coefficients of sensors and faults under various working conditions in historical operation data of the thermal power generating unit, dynamically updating weights, and storing the weights in a working condition database; s300, based on the energy transfer chain of the thermal power generating unit, establishing a parameter incidence matrix between devices; according to the method, the data weights of different sensors are adaptively adjusted according to the real-time operation state of the equipment, the defect that the traditional multi-sensor fusion adopts fixed weight or simple weighted average and is difficult to adapt to the working condition change is overcome, a physical relationship network between the equipment is constructed, key associated parameters are identified in an energy transfer form, and the fault identification accuracy is improved. The robustness of anomaly monitoring under complex working conditions is improved, and the false alarm rate is reduced.

The invention provides a comprehensive early warning control method and device suitable for a steam-fused salt heat storage system. The method comprises the steps that the temperature value of a mixed mother pipe temperature arrangement temperature field of a fused salt side outlet of a steam-fused salt heater is obtained so that fused salt can be guided to a fused salt tank; acquiring a temperature value of a molten salt side outlet temperature arrangement temperature field to trigger an associated protection action; according to the real-time temperature data of the fused salt circulation process temperature field, an electric heat tracing device at the corresponding position is started for preheating and condensation prevention; temperature values of the inner wall of the molten salt tank and a molten salt medium in the molten salt tank are obtained to carry out molten salt tank thermal stress early warning; obtaining the temperature value of the temperature of ceramsite at the bottom of the molten salt tank to judge whether the molten salt leaks or not; and the temperature value of the molten salt tank bottom basic temperature is obtained for ventilation control. Based on temperature monitoring and condition analysis, gradient early warning of the safety working condition of the fused salt side of the steam-fused salt heat storage system is effectively achieved, corresponding protection operation can be correspondingly implemented, and safety and stability of the fused salt system can be effectively prevented and guaranteed.

The utility model relates to the field of energy recovery, in particular to a waste energy recovery device for biogas power generation in a waste incineration power generation project. The utility model provides a waste energy recovery device for biogas power generation of a waste incineration power generation project, which can be used for recovering waste heat in waste gas generated by waste incineration power generation and biogas power generation and improving the energy utilization efficiency. A waste energy recovery device for biogas power generation in a waste incineration power generation project comprises a first connecting pipe, a first connecting hollow pipe and the like, and the rear side of the first connecting pipe is connected with the first connecting hollow pipe. After waste gas flows into the connecting heat conduction pipe, water in the first water tank is heated, hot water can be discharged for use through the water discharging pipe, and water vapor generated in the water heating process can flow into the steam generator from the steam pipe to generate electricity. The effects that waste heat in waste gas generated by waste incineration power generation and biogas power generation can be recycled, and the energy utilization efficiency is improved are achieved.

Disclosed is a marine fuel cell-based integrated heat, electricity, and cooling supply system comprising a power supply system and a waste heat recovery system; the power supply system comprises wind turbine generator sets, solar generator sets, and a fuel cell power module; the waste heat recovery system encompasses a turbine power generation module and a lithium bromide refrigeration module; the fuel cell power module is connected to both the turbine power generation module and the lithium bromide refrigeration module; the turbine power generation module is used to generate electricity using waste heat. This approach fully exploits the waste heat from the exhaust gas generated by the fuel cell power module, resulting in a high overall energy utilization rate. The self-consumption electricity and pure hydrogen fuel for the integrated energy supply system can be obtained from solar and wind energy, ensuring low carbon emissions for the entire system.

The invention discloses a distributed energy system based on a gas turbine and a compressed air energy storage technology, and belongs to the technical field of distributed energy systems, the distributed energy system comprises a gas turbine unit, a filter, a combustion part arranged at the downstream of the filter, and a heat exchange part arranged at the downstream of the combustion part; the compression energy storage unit comprises a compression part arranged at the downstream of the filter and a first heat exchanger connected between the gas turbine unit and the compression energy storage unit; the system further comprises two heat sources, three cold sources and two power sources. According to the distributed energy system based on the gas-air combined cycle, the gas turbine system and the energy storage system can operate independently, and can operate in a coupling mode at the peak of electricity utilization. The whole system has the combined cooling heating and power supply function and the electric energy storage function, the problem of flexible regulation and control of the cooling heating and power proportion in a conventional CCHP system can be solved, and the efficiency of a conventional compressed air energy storage system can be improved.

The invention discloses a range hood. The range hood comprises a water production module, the water production module comprises a refrigeration part and a condensation fin, the refrigeration part is connected with the condensation fin, and the refrigeration part is used for cooling the condensation fin so that condensed water can be formed on the condensation fin; the water box is used for collecting condensate water; and the steam washing device is communicated with the water box. According to the range hood, the temperature of the condensation fin can be reduced through the refrigeration part, so that condensed water can be formed on the condensation fin, water can be supplied to the water box by collecting the condensed water, manual water adding by a user is avoided or the frequency of manual water adding is reduced to a certain extent, the user operation is simplified, and the use convenience of the user is improved.

The invention provides a method and system for extracting lithium from lepidolite ore through low-temperature salt-free fluidized roasting, and the method comprises the following steps: S1, providing lepidolite ore particles; s2, the lepidolite ore particles and fluidizing gas are subjected to fluidized roasting treatment, Li-F ore phases in the lepidolite ore particles are dissociated to release fluorine ions, the fluorine ions and hydrogen ions are combined to generate hydrogen fluoride gas, the hydrogen fluoride gas is diffused into a gas phase from the interiors of the lepidolite ore particles, and roasted clinker and fluorine-containing tail gas are obtained; wherein the fluidizing gas comprises water vapor, and the volume percentage content of the water vapor in the fluidizing gas is not less than 30%. According to the method, the lepidolite ore particles can be dissociated under the conditions that the temperature is low and other auxiliaries do not need to be added, so that the method is low in energy consumption, and the amount of generated smelting slag is small.

The utility model discloses cooking equipment, which comprises a cooking device, a heating device and a control device, the gas steaming and baking module is connected with the cooking device and used for supplying steam and / or smoke to the cooking cavity, the gas steaming and baking module comprises a combustor, the combustor comprises a body and a gas supply structure, the body defines a combustion cavity, the gas supply structure defines a gas mixing cavity communicated with the combustion cavity, and the gas supply structure is provided with a gas inlet, an air inlet and an outlet; the gas inlet communicates with the gas mixing cavity, the air inlet communicates with the gas mixing cavity, the gas mixing cavity communicates with the combustion cavity through the outlet, and the combustion cavity is suitable for introducing gas in the gas mixing cavity. According to the cooking equipment provided by the embodiment of the utility model, the gas supply structure with the gas mixing cavity is arranged on the combustor, and the gas mixing cavity is communicated with the combustion cavity of the combustor, so that the premixing of the gas and the air can be realized, the sufficient mixing of the gas and the air can be ensured, and the sufficient combustion of the gas can be ensured.

The invention belongs to the technical field of fire motors, and provides an operation control method for shutdown and non-shutdown of a thermal power generating unit under an accident working condition, and the method comprises the following steps: designing conditions for triggering and resetting the shutdown and non-shutdown working conditions; designing a large chain logic of the machine-furnace electric furnace; designing a boiler side rapid load reduction loop; designing bypass action logic and a desuperheating water regulating valve control strategy; designing main steam pressure disturbance and sliding pressure bias; optimization design of a related auxiliary machine system; according to the method, by designing triggering and resetting conditions of the working conditions of shutdown and no boiler shutdown, machine-boiler electric large chain logic, a boiler side rapid load reduction loop, bypass action logic, a desuperheating water regulating valve control strategy, main steam pressure disturbance and sliding pressure offset and optimization of related auxiliary machine systems, after a steam turbine or a power generator trips, the boiler side rapid load reduction loop can be rapidly desuperheated, and the boiler side rapid load reduction loop can be rapidly desuperheated. The boiler can still stably burn and keep the heat load stable, and steam parameters are ensured to be qualified, so that the time for restarting a unit is greatly shortened, and the operation efficiency and economic benefits of a power plant are improved.

The invention discloses a square battery case airtightness detection device and method.The square battery case airtightness detection device comprises a workbench, a detection table arranged on the workbench, an air inlet assembly and a longitudinal contraction mechanism, the detection table comprises a base, a synchronous moving mechanism and two sealing covers, the base is located above the workbench, and the synchronous moving mechanism is located above the workbench; the base and the two sealing covers are all made of glass materials, a battery shell is suitable for being placed in the base, and the synchronous moving mechanism is connected with the two sealing covers and the base so as to be suitable for driving the two sealing covers to move oppositely to be in butt joint and wrap the battery shell; a cavity is formed among the battery shell, the sealing covers and the base, a square air inlet cavity is formed after the two sealing covers are in butt joint, the square air inlet cavity is communicated with an opening of the battery shell, steam is introduced into the battery shell after the battery shell is covered with a glass material, and the steam is sprayed on glass through an air leakage point to form a mist point so that accurate positioning can be achieved.

The invention discloses a double-medium heat storage type gas-steam combined cycle combined heat and power generation unit which comprises a gas turbine power generation system, a waste heat boiler system, a steam turbine power generation system, a flue gas bypass baffle, a fused salt heat storage system, a water heat storage system, a heat storage water feeding pump and the like. In the off-peak period of power utilization of a power grid, the double-medium energy storage system firstly stores exhaust heat of a gas turbine, the effect that a steam turbine is reduced to the minimum load and even stops running is achieved, then residual on-grid electric quantity heat of a unit is stored, and the double-medium energy storage system releases heat and generates steam to supply industrial steam extraction of the unit while storing heat; in the peak period of power utilization of the power grid, the double-medium energy storage system releases heat and generates steam to supply industrial steam extraction of the unit and extrudes steam extraction of the original unit, and the original steam turbine generates power at the peak. A flexible and efficient combined heat and power generation mode is provided, the problems that a gas-steam combined cycle combined heat and power generation unit is low in heat supply energy efficiency and serious in loss in the power utilization trough period of a power grid are solved, and the operation flexibility of the unit is improved.

The invention provides a green low-carbon biomass coupling fused salt energy storage methanol preparation system, and belongs to the field of methanol preparation systems. The problem that methanol purge gas is released and residual biomass gas is generated and needs to be treated in the process of preparing methanol through biomass gasification is solved. One part of new energy electricity is used for electrolyzing water, the other part of new energy electricity serves as abandoned electricity to enter a fused salt electric heater, hydrogen generated by electrolyzing water enters a catalytic synthesis tower, oxygen is used for biomass gasification, generated carbon monoxide, hydrogen and carbon dioxide enter the catalytic synthesis tower, and methanol is synthesized in the catalytic synthesis tower. Biomass, redundant biomass gas and formaldehyde purge gas enter the high-temperature and high-pressure biomass fluidized bed boiler, then superheated steam generated by the high-temperature and high-pressure biomass fluidized bed boiler and part of steam serve as a catalytic temperature heat source for methanol production, the remaining steam enters the power generation system to be used for power generation, and stable power supply of the whole system is guaranteed. And the generated high-temperature and high-pressure steam is used for power generation to improve the unit efficiency.

The utility model discloses a flash evaporation compression waste heat recovery system suitable for industrial waste liquid, belongs to the technical field of waste heat recovery of industrial waste liquid, and particularly relates to waste heat recovery from a waste water heat source with a high-pollution medium. The problem that in the prior art, in the field of industrial waste liquid waste heat, especially in the field of waste heat recovery of water for heat compensation of heating return water or process water, a reasonable waste heat recovery and waste water recycling mode is lacked so that consumption of energy, water resources and operation cost can be reduced is solved. The system comprises a flash tank; a flash evaporation steam outlet of the flash evaporation tank is communicated with a gas inlet of the compressor through a flash evaporation steam pipe; and a gas outlet of the compressor is communicated with a steam inlet of the spray tower. The flash evaporation compression waste heat recovery system suitable for the industrial waste liquid is suitable for recovering waste heat of the industrial waste liquid.

The utility model provides a flexible peak shaving system for a fused salt energy storage coupling thermal power generating unit. The flexible peak shaving system comprises a thermal power generation system, a fused salt heat absorption unit, a fused salt storage unit and a fused salt heat release unit. In the peak regulation stage of the thermal power generating unit, the fused salt heat absorption unit operates, part of main steam is extracted to serve as a heat source and exchanges heat with fused salt to achieve fused salt heat absorption, meanwhile, the fused salt heat release unit operates, a first steam return pipe is opened and used for supplementing boiler reheat steam, the problem of boiler cold overtemperature during fused salt energy storage is solved, and the system can operate smoothly and safely. When the thermal power generating unit operates at the peak, the fused salt heat release unit operates, the fused salt heat absorption unit does not operate, the first steam return pipe is closed, high-temperature fused salt heats supplied water shunted by the water supply unit to generate steam, and the steam converges to a main steam pipeline and / or a reheat steam pipeline through a pipeline and / or exchanges heat with condensate water of the water supply unit through the pipeline. And the molten salt heat release process is realized.

The invention discloses a combined heat and power system and method for coupling thermochemical energy storage. According to the technical scheme, the combined heat and power system coupled with thermochemical energy storage comprises a thermochemical energy storage device, a compressed air energy storage device, a waste heat boiler and a steam turbine power generation device. In a low ebb of electricity utilization, heat storage is performed on the thermochemical energy storage device by adopting electric energy, and gas exhausted by the thermochemical storage tank is further stored by adopting a compressed air energy storage device; in the power utilization peak or peak, the compressed air energy storage device is started to release energy, the thermochemical energy storage device is started to release heat to the outside, high-temperature gas exhausted through heat release reaction is supplied to the waste heat boiler, steam generated by the waste heat boiler drives the steam turbine power generation device to generate power, and exhausted steam is used for supplying heat to the outside to achieve cogeneration. Thermochemical energy storage, compressed air energy storage, the waste heat boiler and steam turbine power generation are coupled for application, and the energy utilization efficiency of the thermochemical energy storage system is effectively improved.

The invention belongs to the technical field of thermal power generation, and relates to a thermal power plant steam turbine dead steam heat exchange device which comprises a boiler, and a dead steam treatment mechanism is mounted on one side of the boiler. The boiler generates high-temperature and high-pressure steam to drive the steam turbine to rotate, heat energy is converted into mechanical energy, the mechanical energy is transmitted to the generator through a coupler, a generator rotor rotates in a magnetic field, electric energy is generated through electromagnetic induction, dead steam generated by the steam turbine is distributed to the heat exchange assembly through a gas conveying pipe, and heat energy is recycled through primary and deep heat exchange and then cooled. And during the period, the water pump is used for assisting water drainage, the smooth proceeding of the water drainage process is ensured, and the condensed water can enter the boiler again to be recycled after being treated, or other treatments are carried out according to actual needs.

The invention belongs to the field of coupling power generation, and provides a coupling pulverized coal fired boiler low-load stable combustion and blending combustion system and a control method. According to the system, cold air from a boiler primary air fan is divided into two paths, one path is directly conveyed to a cold air main pipe, and the other path is conveyed to a hot air main pipe after being preheated by a preheater; the coal mill correspondingly takes cold air and hot air from the cold air mother pipe and the hot air mother pipe, the cold air and the hot air are mixed to a set temperature and then enter the coal mill for pulverized coal drying, and the dried pulverized coal is conveyed to the pulverized coal boiler to enter a hearth for combustion; the biomass gasification furnace takes cold air and hot air from the cold air mother pipe and the hot air mother pipe correspondingly, and the cold air and the hot air enter the biomass gasification furnace after being mixed to a set temperature; the biomass material is gasified in the biomass gasification furnace to generate carbonized products, namely biomass charcoal and biogas; the carbonized product biomass charcoal is conveyed to a coal mill to be milled together with the raw coal, and then is blown to a pulverized coal boiler to enter a hearth for combustion; biogas directly enters the pulverized coal boiler and enters a hearth for combustion.

The utility model discloses a wind-driven vortex refrigeration seawater desalination device which comprises a wind-driven system, a vortex tube refrigeration system and a seawater desalination system, the vortex tube refrigerating system comprises an air compressor and a vortex tube; the air compressor is respectively connected with the wind power driving system and the vortex tube; the seawater desalination system comprises a double-pipe heat exchanger, a box body and an air pipe, a water baffle, a heating pipe and a sprayer are arranged in the box body, a fan is arranged in the air pipe, the cold and hot pipe ends of the vortex pipe are respectively connected with the air pipe and the double-pipe heat exchanger, the double-pipe heat exchanger is connected with the heating pipe through a first water pump, and the heating pipe is connected with the double-pipe heat exchanger; an air outlet of the box body is connected with the air pipe, the box body is connected with the sprayer through the second water pump, and the condensate valve is connected with the air pipe. The seawater desalination device is simple and compact in structure, low in manufacturing cost and high in seawater desalination efficiency, the seawater desalination cost is greatly reduced, the quality of fresh water is ensured, and the energy utilization rate is improved.

The invention provides an energy gradient utilization steam Rankine cycle power generation system and method for nuclear fusion, and belongs to the field of nuclear fusion energy conversion and utilization. Different temperature heat of a cladding, a divertor and a vacuum chamber is guided into a high-temperature independent heat storage loop, a medium-temperature independent heat storage loop and a low-temperature independent heat storage loop respectively, an operation section stores heat, and a pause section releases heat; feed water is heated step by step through a multi-stage preheater, an evaporator and a superheater according to the sequence of low temperature, medium temperature and high temperature, and superheated steam of 550 DEG C is formed to continuously drive a turbine to generate power. Decoupling of intermittent output of the fusion reactor and continuous operation of the power generation system is achieved, steam extraction of a steam turbine is omitted, the structure is simplified, and the energy utilization rate and the circulation efficiency are improved.

The invention discloses a gas turbine air inlet temperature coordinated regulation and control system based on waste heat multi-stage utilization and an operation method, and relates to the technical field of combined cycle unit energy conservation, the system comprises a waste heat recovery module, an air inlet temperature regulation and control module, an energy conversion module and a control module; high-temperature exhaust smoke of the waste heat boiler is used as a heat source to heat a flue gas heat exchanger at the tail of the waste heat boiler of the combined cycle unit to generate hot water, and the hot water is used for directly heating inlet air of a gas turbine, driving an absorption heat pump to generate cold water to cool the inlet air of the gas turbine or driving an organic Rankine cycle module to generate power to be connected into auxiliary power, so that multipurpose utilization of waste heat of the unit is realized; in addition, the invention provides an operation method for synergistically improving the efficiency of the system and the combined cycle unit, the wide-load operation capacity and the partial-load energy utilization capacity of the unit can be effectively improved, meanwhile, the waste heat recovery capacity under the high-temperature condition is guaranteed, and the energy consumption efficiency of the unit is comprehensively improved.

The invention relates to the technical field of garbage treatment, in particular to a garbage low-carbon coupling treatment system and method.The method comprises the following steps that large wet materials and organic waste residues are separated from kitchen garbage, and the large wet materials are dried and put into a garbage incinerator to be combusted to release heat; fermenting the organic waste residues to obtain biogas which is used for burning and heating methanol liquid to generate methanol steam, mixing the methanol steam with water vapor, and performing catalytic hydrogen production to obtain mixed gas; the sludge is dried, a part of the dried sludge is put into a biomass gasifier to be subjected to coupled gasification with biomass waste to generate biomass gas, and the rest of the dried sludge is put into a garbage incinerator to be combusted together; and the mixed gas obtained through catalytic hydrogen production is separated, hydrogen and other combustible gas are obtained, and the biomass gas and the other combustible gas are fed into a garbage incinerator to be combusted together. According to the scheme, kitchen waste, sludge and biomass waste can be subjected to coupling treatment, and hydrogen is prepared.